PL EN
PRACA ORYGINALNA
 
SŁOWA KLUCZOWE
DZIEDZINY
STRESZCZENIE
Wprowadzenie i cel:
Zagrożenia zdrowia spowodowane środowiskowym narażeniem na ołów dotyczą wielu miejsc na świecie. Ołów jest szczególnie szkodliwy dla małych dzieci, które mogą być również narażone na kontakt z tym pierwiastkiem już w okresie prenatalnym w efekcie narażenia ich matek przed ciążą na ten metal. Nie istnieje taki poziom ekspozycji na ołów, o którym wiadomo, że nie ma szkodliwego wpływu na organizm. Identyfikacja lokalnych źródeł ołowiu w środowisku jest bardzo ważnym elementem zapobiegania narażeniu, ponieważ nie ma lekarstwa na zatrucie ołowiem.

Cel pracy:
Celem pracy była ocena przydatności zębów jako wskaźnika przewlekłego środowiskowego narażenia na ołów dzieci i dorosłych w województwie śląskim, będącym obszarem szczególnie zanieczyszczonym.

Materiał i metody:
W sumie przeanalizowano 71 zębów mlecznych od dzieci i 85 zębów stałych od dorosłych. Materiał został pobrany w wyniku planowanych ekstrakcji zębów ze względów medycznych.

Wyniki:
Zęby mleczne charakteryzują się znacznie wyższą zawartością ołowiu niż zęby pobrane od osób dorosłych. Ilość ołowiu w zębach dorosłych jest różna w zależności od płci, ale nie różni się zbytnio od miejsca zamieszkania. Zawartość ołowiu w zębach jest wyższa w grupie dzieci młodszych niż starszych, co może świadczyć o ekspozycji prenatalnej.

Wnioski:
Zęby mleczne dzieci są bardziej użytecznym wskaźnikiem biologicznym środowiskowego narażenia na ołów niż zęby osób dorosłych, mogą także wskazywać na skumulowaną ekspozycję matek na ołów.


Introduction and objective:
Health hazards caused by environmental exposure to lead is of concern in many places in the world. Lead is particularly harmful to young children who could be also exposed to lead in-utero through exposure of their mothers before pregnancy. There is no level of exposure to lead that is known to be without harmful effects to the organism. Identifying local sources of lead in the environment is a very important part of preventing exposure as there is no cure for lead poisoning. The usefulness of children's primary teeth and the permanent teeth of adults as an indicator of chronic environmental exposure to lead in polluted area have been studied.

Objective:
The aim of the study was to assess the usefulness of teeth as an indicator of chronic environmental exposure to lead of children and adults in the Silesia Province (Poland), as a particularly polluted area.

Material and methods:
A total of 71 primary teeth from children and 85 permanent teeth from adults were analyzed for lead content. The material was collected as a result of planned tooth extractions for medical reasons.

Results:
The primary teeth were characterized by significantly higher concentrations of lead than the teeth collected from adults. The amount of lead in the teeth of adults varied depending on gender, but did not differ much from the place of residence. The lead content in the teeth was higher in the group of younger than older children, which may be an indication of prenatal exposure.

Conclusions:
Children's primary teeth are more useful bioindicator than adult teeth for determining environmental exposure to lead, and may also indicate the cumulative exposure to lead of their mothers.

 
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